Influence of piston bowl geometry on the performance and emission characteristics of a diesel engine operated on single fuel mode using dairy scum oil biodiesel

2021 ◽  
Author(s):  
Vivekanand Yaliwal ◽  
Prajwal Gaddigoudar ◽  
Sampatkumar Akki ◽  
Vaibhavi Devadas ◽  
S.S. Jalihal ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Emission Characteristics ◽  
Performance And Emission ◽  
Piston Bowl

Effect of Combustion Chamber Design on the Performance and Emission Characteristics of a Direct Injection (DI) Diesel Engine Fuelled With Refined Rice Bran Oil Blends

2004 ◽  
Author(s):  
A. Samuel Raja ◽  
G. Lakshmi Narayana Rao ◽  
N. Nallusamy ◽  
M. Selva Ganesh Kumar
Keyword(s):  
Diesel Engine ◽  
Combustion Chamber ◽  
Rice Bran ◽  
Rice Bran Oil ◽  
Direct Injection ◽  
Spherical Shape ◽  
Experimental Investigations ◽  
Emission Characteristics ◽  
Performance And Emission ◽  
Piston Bowl

The present work deals with the experimental investigations on the effect of refined rice bran oil and its blends with diesel on performance and emission characteristics of diesel engine with different combustion chamber geometry. The engine was tested with various neat vegetable oils and it was found that with refined rice bran oil the performance and emission characteristics were comparable with that of neat diesel. The K- factor of the combustion chamber geometry (ratio of the piston bowl volume to the clearance volume) was maintained at 0.74. The D/d ratio (ratio of piston crown diameter to piston bowl diameter) was altered to achieve re-entrant and torroidal shapes from spherical shape. Tests were carried out for each blend, with particular geometry of combustion chamber. Results with different combustion chamber geometry and different blends have been compared.

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